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WO2004098371A2 - Systeme servant a distribuer un ingredient actif au moyen d'un comprime jetable, comprime jetable et reservoir servant a contenir ces comprimes jetables - Google Patents

Systeme servant a distribuer un ingredient actif au moyen d'un comprime jetable, comprime jetable et reservoir servant a contenir ces comprimes jetables Download PDF

Info

Publication number
WO2004098371A2
WO2004098371A2 PCT/US2004/012163 US2004012163W WO2004098371A2 WO 2004098371 A2 WO2004098371 A2 WO 2004098371A2 US 2004012163 W US2004012163 W US 2004012163W WO 2004098371 A2 WO2004098371 A2 WO 2004098371A2
Authority
WO
WIPO (PCT)
Prior art keywords
active ingredient
dispensable
warewashing machine
tablets
tablet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2004/012163
Other languages
English (en)
Other versions
WO2004098371A3 (fr
Inventor
Tareasa L. Bradley
Eddie D. Sowle
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ecolab Inc
Original Assignee
Ecolab Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ecolab Inc filed Critical Ecolab Inc
Priority to AT04750384T priority Critical patent/ATE509564T1/de
Priority to EP04750384A priority patent/EP1619990B1/fr
Priority to CA2523750A priority patent/CA2523750C/fr
Publication of WO2004098371A2 publication Critical patent/WO2004098371A2/fr
Publication of WO2004098371A3 publication Critical patent/WO2004098371A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0047—Detergents in the form of bars or tablets
    • C11D17/0065—Solid detergents containing builders
    • C11D17/0073—Tablets
    • C11D17/0091—Dishwashing tablets
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
    • A47L15/4463—Multi-dose dispensing arrangements

Definitions

  • This invention relates to a system for dispensing an active ingredient using a dispensable tablet, the dispensable tablet and a container for holding such dispensable tablets.
  • Automated machines are often used for cleaning dishes, utensils, kitchen items, pots and pans, etc. These automated machines, commonly called warewashing machines, are often used by commercial establishments such as restaurants.
  • a typical warewashing machine may use an active ingredient found in a detergent, rinse aid or sanitizer.
  • an active ingredient such as chlorine
  • a warewashing machine presents an adverse environment for such powdered or solid active ingredients. Since the active ingredient must react and dissolve quickly in water used in the warewashing machine, the solid or powdered active ingredients should be formulated to easily dissolve.
  • a relatively large, e.g., 600 gram, solid block can be utilized with a flood-type dispenser.
  • the dispenser floods the solid block for a specified period of time with water.
  • the solid block erodes providing an ingredient/water solution using a portion of the solid block that has been eroded.
  • Some, perhaps much, of the solid block remains for use in subsequent cycles of the machine to which the dispenser operates.
  • the solid block may again be flooded with water and the process is repeated.
  • a blister pack also known in the industry, consists of a plastic top, typically clear, formed with indentations with each indentation capable of holding an individual dose of tablet or tablets.
  • a backing sheet is adhered over the plastic top to secure the tablets in the indentations.
  • a user may then take the blister pack and, pushing on the plastic top at an indentation, push an individual tablet or tablets contained in an indentation through the backing sheet, perforating the backing sheet, and releasing the tablet or tablets. While this technique also provides for uniform dose, it also could allow the user to come in contact with the tablet being dispensed. Most importantly, dispensing of tablets with a blister pack is an intensely manual operation.
  • PCT International Publication Number WO 02/058528, Malawistan Lever Limited, Detergent Dispenser System describes a removable cartridge for a detergent dispensing system for a dishwasher.
  • a storage unit contains a plurality of cylindrical or spherical detergent tablets arranged in two or more rows with curved surfaces of adjacent tablets touching such that when the cartridge is upright that tablets will move under gravity towards the transfer station.
  • the transfer station has an ejection means to eject a tablet from the transfer station through a transfer port to prevent ingress of moisture into the cartridge.
  • the dispensing system of Malawistan recognizes the problem of moisture contamination.
  • Cistan attempts to have the dispensing mechanism handle all of the responsibility of preventing the moisture from contaminating the dispensing container.
  • Malawistan does not solve the problem because even a little moisture or extreme humidity can then contaminate not only the tablet being dispensed but literally the whole cartridge (container) of tablets.
  • the present invention provides a dispensing system providing ease of dispensing, a consistent unit dose and with no need of the user to handle the active ingredient being dispensed.
  • the present invention provides a system for dispensing an active ingredient for a warewashing machine using a unit dose of the active ingredient for an operation of the warewashing machine.
  • a plurality of dispensable tablets, each of the plurality of dispensable tablets has an exterior and contains an amount of the active ingredient equal to the unit dose.
  • a container holds the plurality of dispensable tablets, each of the dispensable tablets containing the active ingredient, N of the plurality of dispensable tablets collectively containing an amount of the active ingredient equaling the unit dose, where N is an integer greater than zero and not more than ten.
  • a dispenser adapted to receive the dispensable tablets from the container and to be operably coupled to the warewashing machine, dispenses N of the plurality of dispensable tablets for the operation of the warewashing machine. The system prevents moisture from the warewashing machine from affecting the plurality of dispensable tablets being held in the container.
  • N is one.
  • N is greater than one.
  • the present invention provides a dispensable tablet, adapted for use in a dispensing system for dispensing an active ingredient for a warewashing machine operable in a plurality of operations, each of the operations of the warewashing machine using a unit dose of the active ingredient.
  • An amount of the active ingredient has an exterior formed into a rounded shape, the amount being equal to the unit dose.
  • a protective coating covers at least a portion of the exterior of the amount of the active ingredient, the protective coating capable of protecting the dispensable tablet while the dispensable tablet is being dispensed, the protective coating dissolving during one of the plurality of operations of the warewashing machine.
  • the present invention provides a container of dispensable tablets adapted to be used in a warewashing machine operable in a plurality of operations, each of the plurality of operations of the warewashing machine using a unit dose of an active ingredient.
  • each of the plurality of dispensable tablets has a protective coating covering at least a portion of the exterior capable of protecting the dispensable tablet while the dispensable tablet is being dispensed and capable of dissolving during one of the plurality of operations of the warewashing machine.
  • each of the plurality of dispensable tablets has a rounded shape.
  • each of the plurality of dispensable tablets is spherical.
  • the rounded shape is a disk.
  • the active ingredient comprises a halogen source.
  • the active ingredient is chlorine.
  • the active ingredient is solid chlorine. [0024] In an embodiment, the active ingredient is a detergent.
  • the active ingredient is a rinse additive.
  • the dispenser prevents heat from the warewashing machine from affecting the plurality of dispensable tablets being held in the container.
  • the dispenser comprises a gum ball type dispenser.
  • the protective coating comprises titanium dioxide.
  • Figure 1 shows a preferred embodiment of a dispensable tablet in accordance with the present invention
  • Figure 2 shows an alternative embodiment of a dispensable tablet in accordance with the present invention
  • Figure 3 is a cross-sectional view of the dispensable tablet of
  • Figure 4 illustrates a container holding a plurality of dispensable tablets in accordance with an embodiment of the present invention
  • Figure 5 is a cross-sectional view of a dispenser in accordance with an embodiment of the present invention and adapted for use with both a dispensable tablet and a container of dispensable tablets in accordance with preferred aspects of the present invention
  • Figure 6 illustrates the dispenser of Figure 5 with dispensable tablets being dispensed from a container in accordance with preferred aspects of the present invention.
  • the present invention uses granular chlorine in a commercial warewashing environment.
  • the preferred ingredients are sodium dichloro- s-triazinetrione dihydrate or sodium dichloroisocyanurate dihydrate.
  • the active ingredient in this example, chlorine
  • dispensable tablet 10 shown in cross- sectional view in Figure 1.
  • dispensable tablet 10 can be constructed to contain exactly the unit dose desired for optimum operation of the warewashing machine.
  • a single dispensable tablet 10 may be dispensed to the warewashing machine ensuring the proper dosage.
  • the unit dose desired for optimum operation of the warewashing machine can be contained in two or more of dispensable tablets 10 as long as an integral number of dispensable tablets 10 contain the intended dose for the warewashing machine.
  • the intended dose for the warewashing machine is contained in two of dispensable tablets 10
  • two dispensable tablets 10 can be dispensed when required.
  • reasonableness is preferred in the number of dispensable tablets 10 the intended dose for the warewashing machine. As the number of dispensable tablets 10 over which the intended dose for the warewashing machine is spread, the more difficult it is to count the number of dispensable tablets 10 which must be dispensed and to actually dispense that number of dispensable tablets 10.
  • the number of dispensable tablets 10 over which the intended dose for the warewashing machine is spread be limited to not more than ten.
  • a unit dose for the warewashing machine be contained in a single dispensable tablet 10, or in a plurality of dispensable tablets 10, that the warewashing machine could require differing amounts of the active ingredient during different cycles or with different options of single cycle.
  • the warewashing machine could require a single dispensable tablet 10 when operating in a normal mode and could require two or more dispensable tablets 10 when operating in a heavy duty mode.
  • Dispensable tablet 10 illustrated in Figure 1 is spherical in shape. Other generally rounded shapes for dispensable tablet 10 are also contemplated.
  • dispensable tablet 10' illustrated in Figure 2 is of a generally disc shape, preferably with slightly rounded edges. This shape can also be compared to the common shape of medicinal tablet, such as an aspirin tablet.
  • Dispensable tablet 10 and 10' have generally rounded shapes in order that dispensable tablets 10 and 10' may be more easily dispensed through automated dispensing equipment.
  • dispensable tablets 10 and 10' have generally rounded shapes so that dispensable tablets 10 and 10' do not have sharp corners, e.g., ninety degree three dimensional corners, which are subject to breakage as dispensable tablets 10 and 10' are handled, both manually and with automated equipment but especially with automated equipment.
  • the preferred size for dispensable tablet 10' is an approximately 0.7 gram tablet, plus or minus 0.5 grams, having a diameter of approximately 0.3750 inches (9.52 millimeters with a height of approximately 0.2205 inches (5.59 millimeters).
  • dispensable tablet of the present invention may be any of a variety of shapes, two of the preferred shapes are illustrated in Figure 1 as dispensable tablet 10 and in Figure 2 as dispensable tablets 10'. It is to be recognized and understood that other shapes are possible. The remainder of the discussion in this disclosure will be made to dispensable tablet 10 but applies equally well to dispensable tablet 10' and to a variety of shapes not specifically illustrated, for example elliptical shapes.
  • dispensable tablet 10 is a tablet, the active ingredient contained in dispensable tablet 10 is in solid form.
  • dispensable tablet 10 should be readily dissolvable in the solution operatively utilized during operation of the warewashing machine. It is desirable that dispensable tablet 10 dissolve quickly in water so that the active ingredient can be effectively utilized by the warewashing machine. Dispensable tablet 10 should also be food contact safe.
  • a warewashing machine often utilizes very hot water in order to accomplish its washing and/or sterilizing functions, the environment of the warewashing machine often contains very high humidities and, often, high temperatures.
  • FIG. 3 is a cross-sectional view of dispensable tablet 10. The active ingredient is contained in the interior portion 12 of dispensable tablet 10.
  • interior portion 12 of dispensable tablet 10 is a 0.7 gram spherical ball having a concentration of 70 parts per million consisting of fifty-six percent (56%) chlorine dry bleach for a tank size of the warewashing machine of approximately two (2) gallons (7.6 liters).
  • active ingredients are pH modifiers, surfactants, enzymes, builders, lime away products, coupling agents, metal salts and components of rinse aids, detergents and sanitizers.
  • Dispensable tablet 10 also may have protective coating 14 surrounding the exterior of interior portion 12.
  • Protective coating 14 can be made of a number of materials which can protect dispensable tablet from moisture, e.g., high humidity, and, preferably, heat when dispensable tablet is not yet dispensed. However, protective coating 14 can not be so protective that dispensable tablet 10 does not readily dissolve when dispensed into the warewashing machine. Protective coating 14 also protects dispensable tablet from mechanical breakage during shipping and dispensing.
  • An example of a protective coating 14 is titanium dioxide coated from enzymes having an approximate thickness of the human hair, or approximately 0.1 millimeter. It is preferred that protecting be applied either by spraying or dipping.
  • interior portion 12 of dispensable tablet 10 could be in liquid or semi-liquid form with protective coating 14 forming a dissolvable shell around interior portion 12. This is similar to a paintball or bath beads in construction (although, obviously, paint is not utilized in a warewashing environment).
  • a liquid detergent or a liquid sanitizer could be used as the active ingredient.
  • protective coating 14 would dissolve in the warewashing machine and the active ingredient contained in interior portion 12 would be released into the warewashing machine.
  • Other examples of alternative forms of dispensable tablets 10 include gel tabs, a liquid or semi-liquid active ingredient contained in a water soluble film and a powder containing an active ingredient contained in a water soluble film.
  • FIG. 4 illustrates container 16 holding a plurality of dispensable tablets 10.
  • Container 16 has a relatively narrow opening 18, preferably sealed, for example with foil 20.
  • dispensable tablets 10 held in container 16 especially with foil 20 sealing opening 18, a user of the warewashing machine is protected from contacting dispensable tablets 10. Since the active ingredient contained in dispensable tablets 10 can be caustic to humans, preventing a user or another person coming into contact with container 16, e.g., a child, is desirable.
  • Container 16 with foil 20 also prevents an unskillful user from inadvertently coming into contact with dispensable tablets 10 as, for example, by simply unscrewing a screw- on lid.
  • Container 16 has a relatively narrow neck 22 which allows container 16 to be inserted into a dispenser.
  • Container 16 also has sloping side walls 24 which assist in enabling dispensable tablets 10 to flow toward opening 18 when container 16 is inverted and inserted into a dispenser.
  • Figure 5 shows dispenser 26 adapted to dispense dispensable tablets 10 in accordance with a preferred aspect of the invention.
  • Dispenser 26 has sloping walls 28 adapted to mate with sloping side walls 24 of container 16.
  • Neck 22 of container 16 is accommodated with a corresponding receptacle 30 in dispenser 26.
  • Projection 32 is adapted to penetrate foil 20 seal of container 16 and release dispensable tablets 10 from container 16.
  • Restriction section 34 funnels dispensable tablets 10 so that, at the lower end of restriction 34 only a single dispensable tablet 10 is allowed to pass at a time.
  • Restriction 34 has an opening 36 adapted to mate with rotatable disc 38.
  • Rotatable disc 38 rotates in a housing of dispenser 26 just slightly larger than rotatable disc 26.
  • Rotatable disc 38 has at least one, and in this example, three, openings 40 sized to allow a single dispensable tablet 10 to fall from container 16 through restriction 34 into one of openings 40.
  • a rotatable disc rotates a single dispensable tablet 10 accompanies each opening 40. As an opening 40 reaches the bottom of rotatable disc 40, a dispensable tablet 10 is released into passage 42 which is adapted to communicate with the warewashing machine into which dispensable tablet 10 is to be dispensed.
  • Figure 6 shows container 16 having been inverted and inserted into dispenser 26.
  • Dispenser 26 has mating sloping walls 28 adapted to facilitate the insertion of and support of sloping side walls 24 of container 16.
  • Neck 22 of container 16 is accommodated with a corresponding receptacle 30 in dispenser 26.
  • projection 32 penetrates foil 20 of container 16 puncturing foil 20 and releasing dispensable tablets 10 from container 16.
  • Dispensable tablets 10 are funneled in restriction section 34 so that, at the lower end of restriction 34 only a single dispensable tablet 10 is allowed to pass at a time.
  • Restriction 34 has an opening 36 adapted to mate with rotatable disc 38.
  • Rotatable disc 38 rotates in a housing of dispenser 26 just slightly larger than rotatable disc 26.
  • Rotatable disc 38 has at least one, and in this example, three, openings 40 sized to allow a single dispensable tablet 10 to fall from container 16 through restriction 34 into one of openings 40.
  • a rotatable disc rotates a single dispensable tablet 10 accompanies each opening 40.
  • a dispensable tablet 10 is released into passage 42 which is adapted to communicate with the warewashing machine into which dispensable tablet 10 is to be dispensed.
  • dispenser 16 aids in preventing dispensable tablets 10 still being held in container 16 from being affected by the adverse high moisture content of the warewashing machine to which dispenser 26 is adapted to be utilized.
  • Rotatable disc 38 may be operated automatically through any number of commonly available and readily understood automated mechanical turning mechanisms. Alternatively, rotatable disc 38 may also be operated manually by the user.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Detergent Compositions (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)

Abstract

Comprimé jetable, réservoir et système servant à distribuer un ingrédient actif pour une machine à laver la vaisselle au moyen d'une dose unitaire de cet ingrédient actif pour un cycle de travail de ladite machine. Une pluralité de comprimés jetables contient chacun une quantité de cet ingrédient actif égale à cette dose unitaire. Un réservoir contient cette pluralité de comprimés jetables dont chacun contient l'ingrédient actif, N de ladite pluralité contenant collectivement une quantité de l'ingrédient actif égale à la dose unitaire, N étant un entier supérieur à 0 et non supérieure à 10. Distributeur conçu pour recevoir ces comprimés jetables depuis le réservoir et pour être accouplé à la machine à laver la vaisselle et distribuant N de la pluralité de comprimés jetables pour le cycle de travail de ladite machine. Ce système permet d'éviter que l'humidité provenant de la machine à laver la vaisselle attaque la pluralité des comprimés jetables contenue dans le réservoir.
PCT/US2004/012163 2003-05-05 2004-04-20 Systeme servant a distribuer un ingredient actif au moyen d'un comprime jetable, comprime jetable et reservoir servant a contenir ces comprimes jetables Ceased WO2004098371A2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT04750384T ATE509564T1 (de) 2003-05-05 2004-04-20 System zur abgabe eines aktiven wirkstoffs mittels verteilbarer tabletten, verteilbare tabletten und behälter für die aufnahme solcher tabletten
EP04750384A EP1619990B1 (fr) 2003-05-05 2004-04-20 Systeme servant a distribuer un ingredient actif au moyen d'un comprime jetable, comprime jetable et reservoir servant a contenir ces comprimes jetables
CA2523750A CA2523750C (fr) 2003-05-05 2004-04-20 Systeme servant a distribuer un ingredient actif au moyen d'un comprime jetable, comprime jetable et reservoir servant a contenir ces comprimes jetables

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/429,486 US20040245279A1 (en) 2003-05-05 2003-05-05 System for dispensing an active ingredient using a dispensable tablet, dispensable tablet and container for holding such dispensable tablets
US10/429,486 2003-05-05

Publications (2)

Publication Number Publication Date
WO2004098371A2 true WO2004098371A2 (fr) 2004-11-18
WO2004098371A3 WO2004098371A3 (fr) 2004-12-23

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/012163 Ceased WO2004098371A2 (fr) 2003-05-05 2004-04-20 Systeme servant a distribuer un ingredient actif au moyen d'un comprime jetable, comprime jetable et reservoir servant a contenir ces comprimes jetables

Country Status (5)

Country Link
US (1) US20040245279A1 (fr)
EP (1) EP1619990B1 (fr)
AT (1) ATE509564T1 (fr)
CA (1) CA2523750C (fr)
WO (1) WO2004098371A2 (fr)

Cited By (4)

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WO2018099900A1 (fr) * 2016-11-30 2018-06-07 Reckitt Benckiser Finish B.V. Système et dispositif de dosage
CN109760862A (zh) * 2019-01-23 2019-05-17 罗志敏 一种药剂科分药装置
CN110023555A (zh) * 2016-11-30 2019-07-16 雷克特本克斯尔菲尼施公司 定量给料装置和系统
RU2746401C2 (ru) * 2016-11-30 2021-04-13 Рекитт Бенкизер Финиш Б.В. Дозирующее устройство и система

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CN109996917B (zh) * 2016-11-30 2021-06-29 雷克特本克斯尔菲尼施公司 配量设备和系统
CN109996917A (zh) * 2016-11-30 2019-07-09 雷克特本克斯尔菲尼施公司 配量设备和系统
CN110023555A (zh) * 2016-11-30 2019-07-16 雷克特本克斯尔菲尼施公司 定量给料装置和系统
RU2746341C2 (ru) * 2016-11-30 2021-04-12 Рекитт Бенкизер Финиш Б.В. Дозирующее устройство и система
RU2746401C2 (ru) * 2016-11-30 2021-04-13 Рекитт Бенкизер Финиш Б.В. Дозирующее устройство и система
WO2018099900A1 (fr) * 2016-11-30 2018-06-07 Reckitt Benckiser Finish B.V. Système et dispositif de dosage
CN110023555B (zh) * 2016-11-30 2021-06-29 雷克特本克斯尔菲尼施公司 定量给料装置和系统
RU2752460C2 (ru) * 2016-11-30 2021-07-28 Рекитт Бенкизер Финиш Б.В. Дозирующее устройство и система
US11390981B2 (en) 2016-11-30 2022-07-19 Reckitt Benckiser Finish B.V. Dosing device and system
US11445885B2 (en) 2016-11-30 2022-09-20 Reckitt Benckiser Finish B.V. Dosing device and system
US11585037B2 (en) 2016-11-30 2023-02-21 Reckitt Benckiser Finish B.V. Dosing device and system
AU2017368214B2 (en) * 2016-11-30 2023-07-13 Reckitt Benckiser Finish B.V. Dosing device and system
CN109760862A (zh) * 2019-01-23 2019-05-17 罗志敏 一种药剂科分药装置

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CA2523750C (fr) 2012-02-21
US20040245279A1 (en) 2004-12-09
CA2523750A1 (fr) 2004-11-18
EP1619990A2 (fr) 2006-02-01
ATE509564T1 (de) 2011-06-15
WO2004098371A3 (fr) 2004-12-23
EP1619990B1 (fr) 2011-05-18

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